BGP uses which underlying protocol to establish connection to peers?
A.
IP protocol 89
B.
IP protocol 6
C.
IP protocol 17
D.
IP protocol 47
Explanation:
BGP neighbors, called peers, are established by manual configuration between routers to create a TCP session on port 179Assigned Internet Protocol Number for TCP = 6
Assigned Internet Protocol Numbers
NOTE: The protocols numbers are shown in decimal notation.Decimal Keyword Protocol
======= ======= ==============
6 TCP Transmission Control
17 UDP User Datagram
47 GRE General Routing Encapsulation
89 OSPFIGP OSPFIGP